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Property, Plant and Equipment (Additional Information) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Oil and natural gas proved properties
Property, Plant and Equipment
Cumulative capitalized interest	$ 42.6us-gaap_AccumulatedCapitalizedInterestCosts / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasProvedPropertiesMember	$ 38.1us-gaap_AccumulatedCapitalizedInterestCosts / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_OilAndGasProvedPropertiesMember
Non-oil and natural gas equipment
Property, Plant and Equipment
Cumulative capitalized interest	4.3us-gaap_AccumulatedCapitalizedInterestCosts / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_NonOilAndNaturalGasEquipmentMember	4.3us-gaap_AccumulatedCapitalizedInterestCosts / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_NonOilAndNaturalGasEquipmentMember
Buildings and structures
Property, Plant and Equipment
Cumulative capitalized interest	$ 18.1us-gaap_AccumulatedCapitalizedInterestCosts / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingMember	$ 17.1us-gaap_AccumulatedCapitalizedInterestCosts / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingMember

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- Definition

Amount of accumulated interest costs capitalized as part of property, plant and equipment cost basis.

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No definition available.

+ Details

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- Details

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- Details

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